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Subungual Glomangiomyoma
An Unusual Case with Dermatoscopic and Histopathologic Findings
Glomus tumors are relatively rare benign tumors originated from normal glomus bodies. These tumors make up approximately 2% of all hand tumors and are most commonly found in the nail matrix and proximal nail bed of the hands. Histopathologically, they are classified into solid glomus tumor, glomangioma, and the least common type glomangiomyoma. Here we report an unusual case of subungual glomangiomyoma of the toe with dermatoscopic and histopathologic findings.
Background:
The spring ligament fibrocartilage complex (SLFC) is an important static foot stabilizer comprising the superomedial ligament (SML) and the inferior ligament, with anatomical variations (third ligament). The aim of this study was to describe the patterns of the lesions found during SLFC surgery, to allow direct comparison between the results with various surgical techniques.
Methods:
Fourteen consecutive patients with SLFC lesions were analyzed during surgical treatment. The mean patient age was 37.3 years, and the mean time from injury was 6.9 months. Intraoperative assessments and anatomical descriptions of the lesions were collected.
Results:
Three types of lesion were found. In 13 of 14 cases, only the superomedial ligament was involved: five superomedial ligament distentions and eight superomedial ligament ruptures. In one case, total SLFC (superomedial and inferior ligaments) rupture was observed.
Conclusions:
The first classification of SLFC lesions is presented, which is simple, consistent, and based on anatomical description.
Glomus Tumor of the Toe
An Anatomical Variant
A glomus tumor is an uncommon, predominantly benign, neoplastic lesion that primarily involves a thermoregulatory microvascular apparatus, the glomus body. Although these lesions can occur anywhere in the body, the subungual tissue of the hand represents the most common presentation site. Glomus tumors are not often encountered in the foot. Symptoms traditionally include the classic triad of pain, pressure, and cold sensitivity. This case report describes a variant location for a glomus tumor in the subcuticular tissue adjacent to the medial middle phalanx of the second toe. The nonsubungual location for this presentation should prompt the inclusion of glomus tumor in a digital soft-tissue lesion differential diagnosis. The lesion was excised surgically and was subsequently diagnosed histopathologically as a glomus tumor.
